Electric Hydraulic Pump Troubleshooting

Shaft seals or seals on suction side are defective 5.

Electric hydraulic pump troubleshooting.

Pressure and return lines connected wrongly 7. The electric motor is driving the hydraulic pump at a speed that is higher than the pump s rating. This guide will help you fix the majority of problems you face in the field. Pump fault mcc or standby pump fault mcc identified by pump motor output gives alarm to control desk if that pump is not running.

Hydraulic oil level low pumps stopping. Lines have been wrongly laid 3. As 4 c as 4 a. If your hydraulic layout is suffering from any issues make sure to check your hydraulic gear pumps and other components.

3 common symptoms to keep an eye out for. If the speed is too high a higher volume of oil will be needed at the suction port. No oil in reservoir. All pumps have a recommended maximum drive speed.

As 1 a 8 1. Oil temperature should not exceed 140º f 60º c oil foaming. Charge pump defective 4. Here is the 6 quick ste.

Pump will not build hold pressure. At pump port do not use teflon tape on pipe thread fittings pump is hot. The pumps will stop automatically if the level drops to the shutdown level. Id too small 4.

The purpose of this guide is to help you trouble shoot kti dc hydraulic power units by explaining how the electric hydraulic circuits work together to perform each function. The pump is probably the component most subject to wear in a hydraulic system and the one most likely to cause a sudden or gradual failure in the system. Readings filter and breather conditions oil cleanliness condition of the hoses and clamps current readings on the electric motor voltages to proportional. Pump is turning too fast 2.

Control system oscillating 8. If your system is suffering from any of these symptoms then that could be a clear sign that you need to repair clean or replace parts of your system. Also included are some tricks tips we have found talking to you the customer. Hydraulic pump troubleshooting guide no oil flow from pump.

This includes the pump compensator relief valve pressure reducing valves and other pressure control valves in the system. Hydraulic troubleshooting is a step by step process. Max pump pressure exceeded 3. Pump trouble is usually characterized by increased noise increased heat erratic operation of cylinders difficulty or inability to develop full output decreased speed of cylinders or.